Justinian I (527-565). AE Half Follis. Rome mint. Struck 540-542 AD. Obv. [D N IVSTINIANVS P P AV]. Diademed, draped, and cuirassed bust right. Rev. Large K; flanked by star and cross; all within wreath. D.O. 325a; MIB 222; Sear 301. 9.31 g. 20.00 mm. Attractive green-brown patina. Metal flaw. About EF.